WO2020170289A1 - Dispositif de climatisation - Google Patents

Dispositif de climatisation Download PDF

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Publication number
WO2020170289A1
WO2020170289A1 PCT/JP2019/005755 JP2019005755W WO2020170289A1 WO 2020170289 A1 WO2020170289 A1 WO 2020170289A1 JP 2019005755 W JP2019005755 W JP 2019005755W WO 2020170289 A1 WO2020170289 A1 WO 2020170289A1
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WO
WIPO (PCT)
Prior art keywords
air conditioner
air
person
detailed information
field intensity
Prior art date
Application number
PCT/JP2019/005755
Other languages
English (en)
Japanese (ja)
Inventor
栗原　誠
佐藤　浩介
Original Assignee
三菱電機株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 三菱電機株式会社 filed Critical 三菱電機株式会社
Priority to AU2019430531A priority Critical patent/AU2019430531B2/en
Priority to PCT/JP2019/005755 priority patent/WO2020170289A1/fr
Priority to CN201980092067.3A priority patent/CN113454403B/zh
Priority to US17/297,062 priority patent/US12007136B2/en
Priority to DE112019006880.6T priority patent/DE112019006880T5/de
Priority to JP2021501152A priority patent/JP7008866B2/ja
Publication of WO2020170289A1 publication Critical patent/WO2020170289A1/fr

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63—Electronic processing
    • F24F11/65—Electronic processing for selecting an operating mode
    • F24F11/66—Sleep mode
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/50—Control or safety arrangements characterised by user interfaces or communication
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • F24F11/79—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling the direction of the supplied air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/10—Temperature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2120/00—Control inputs relating to users or occupants
    • F24F2120/10—Occupancy
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2120/00—Control inputs relating to users or occupants
    • F24F2120/10—Occupancy
    • F24F2120/12—Position of occupants

Definitions

  • the present invention relates to an air conditioner equipped with a wireless communication means and a sensor.
  • an air conditioner that includes a radiation temperature sensor that detects a body surface temperature of a person in a space to be air-conditioned, and performs air conditioning based on a detection result of the radiation temperature sensor (for example, See Patent Document 1).
  • the radiation temperature sensor generally absorbs infrared rays emitted from the surface of the human body to detect the body surface temperature of the person. Therefore, it is possible to determine whether or not a person exists in the air-conditioned space by detecting infrared rays using the radiation temperature sensor.
  • a sensor that detects the presence of people such as a radiant temperature sensor, is often operated at all times in order to perform comfortable air conditioning operation in response to people entering and leaving the air-conditioned space.
  • the sensor is constantly operated in this way, it is difficult to extend its life.
  • the present invention has been made to solve the above problems, and an object of the present invention is to provide an air conditioner that can extend the life of a sensor while maintaining comfort.
  • the air conditioning apparatus includes a communication unit that receives a wireless signal from a mobile terminal, and information including the presence or absence of a person in a detection target area that is a target of detection of the presence or absence of a person.
  • the communication unit receives the sensor for detecting information and the wireless signal having a radio field intensity equal to or higher than a predetermined radio field intensity, and the sensor is stopping the detection process of the detailed information
  • a control unit that causes the sensor to start a detection process of the detailed information and controls the air conditioning operation based on the detailed information detected by the sensor.
  • the control unit controls the sensor. To start the operation of. As a result, it is possible to extend the life of the sensor while maintaining comfort.
  • FIG. 1 It is a schematic diagram which shows the structural example of the air conditioning apparatus which concerns on embodiment of this invention. It is a perspective view of the indoor unit in an embodiment of the invention. It is a schematic diagram of a longitudinal section of an indoor unit according to an embodiment of the present invention. It is a figure which illustrates the detection target of the radiation temperature sensor in embodiment of this invention. It is a figure which illustrates the detection target area
  • FIG. 1 is a schematic diagram showing a configuration example of an air conditioner according to an embodiment of the present invention.
  • the air conditioner 1 is a device that circulates a refrigerant inside the refrigerant circuit 2 and performs heat exchange between the refrigerant and each of indoor and outdoor air to adjust indoor air.
  • the air conditioner 1 includes an outdoor unit 3 and an indoor unit 4 in the refrigerant circuit 2.
  • FIG. 1 among the components included in the indoor unit 4, those relating to the circulation of the refrigerant are shown, and the description of the other components is omitted.
  • the components omitted in FIG. 1 are described in FIGS. 2 and 3, and the details of these components will be described later.
  • the outdoor unit 3 and the indoor unit 4 are connected by refrigerant pipes 9a and 9b which are part of the refrigerant circuit 2.
  • the outdoor unit 3 includes a compressor 30, a flow path switching device 31, an outdoor heat exchanger 32, an outdoor blower 33, an expansion valve 34, and the like.
  • the compressor 30 compresses the discharged refrigerant and discharges it.
  • the flow path switching device 31 is, for example, a four-way valve, and is a device for switching the direction of the flow path of the refrigerant (also referred to as the refrigerant flow path).
  • the air conditioner 1 can switch from the heating operation to the cooling operation or from the heating operation to the cooling operation by switching the refrigerant flow path using the flow path switching device 31.
  • the solid line portion of the flow path switching device 31 shown in FIG. 1 indicates the refrigerant flow path during the cooling operation, and the broken line portion indicates the refrigerant flow path during the heating operation.
  • the arrow indicated by the solid line in FIG. 1 indicates the direction in which the refrigerant flows during the cooling operation
  • the arrow indicated by the broken line indicates the direction in which the refrigerant flows during the heating operation.
  • the outdoor heat exchanger 32 exchanges heat between the refrigerant and the outdoor air.
  • the outdoor heat exchanger 32 operates as a condenser during the cooling operation. Specifically, the outdoor heat exchanger 32 performs heat exchange between the refrigerant that has flowed in from the refrigerant pipe 9a side through the flow path switching device 31 and is compressed by the compressor 30 and the outdoor air. , To condense and liquefy the refrigerant. Then, the outdoor heat exchanger 32 causes the liquefied refrigerant to flow out to the refrigerant pipe 9b side.
  • the outdoor heat exchanger 32 operates as an evaporator during heating operation.
  • the outdoor heat exchanger 32 performs heat exchange between the refrigerant that flows in from the refrigerant pipe 9b side and is decompressed by the expansion valve 34 and the outdoor air, and evaporates and evaporates the refrigerant, It flows out to the refrigerant pipe 9a side.
  • the outdoor blower 33 guides the outdoor air toward the outdoor heat exchanger 32, and enhances the efficiency of heat exchange between the air and the refrigerant.
  • the expansion valve 34 is a throttle device and adjusts the pressure of the refrigerant by changing the opening and adjusting the flow rate of the refrigerant flowing through the expansion valve 34.
  • the indoor unit 4 has an indoor heat exchanger 40, a blower 41, and the like.
  • the indoor heat exchanger 40 exchanges heat between the refrigerant and the indoor air.
  • the indoor heat exchanger 40 operates as an evaporator during the cooling operation. Specifically, the indoor heat exchanger 40 performs heat exchange between the refrigerant that has been brought to a low pressure state by the expansion valve 34 and the indoor air, and causes the refrigerant to take heat of the indoor air to evaporate the refrigerant. Vaporize. Then, the indoor heat exchanger 40 causes the vaporized refrigerant to flow out to the refrigerant pipe 9a side.
  • the indoor heat exchanger 40 operates as a condenser during heating operation.
  • the indoor heat exchanger 40 performs heat exchange between the refrigerant that has flowed in from the refrigerant pipe 9a side and the indoor air to condense and liquefy the refrigerant. Then, the indoor heat exchanger 40 causes the liquefied refrigerant to flow to the refrigerant pipe 9b side.
  • the blower 41 guides the indoor air toward the indoor heat exchanger 40 and enhances the efficiency of heat exchange between the air and the refrigerant.
  • FIG. 2 is a perspective view of the indoor unit according to the embodiment of the present invention.
  • the indoor unit 4 according to the present embodiment is a ceiling-embedded type and is a four-way cassette type in which air outlets 60 are provided in four directions, but is not limited to this.
  • the indoor unit 4 has a radiation temperature sensor 61 and the like on the side facing the room, which detects the temperature distribution in the room, the presence of people, and the like.
  • FIG. 3 is a schematic diagram of a vertical cross section of the indoor unit according to the embodiment of the present invention.
  • the indoor unit 4 has a housing 62 including a top plate 620 and a side plate 621.
  • the indoor unit 4 is installed by being embedded in the ceiling of the room so that the top plate 620 faces upward in the vertical direction.
  • the case 62 is open on the side facing the room.
  • a decorative panel 63 having a substantially square shape in plan view is attached.
  • the indoor unit 4 has a grill 64 that serves as an inlet for air into the indoor unit 4, a filter 65 that removes dust from the air that has passed through the grill 64, and the like. Further, the indoor unit 4 is provided with a main body suction port 66 that serves as a path for allowing air to flow into the main body. Around the main body intake port 66 of the indoor unit 4, a main body outlet 67 which is an opening for letting out air from the inside of the main body is provided.
  • the grill 64, the main body inlet 66, the main body outlet 67, and the outlet 60 communicate with each other to form an air passage in the indoor unit 4.
  • the indoor unit 4 has a turbo fan 68, a bell mouth 69, a fan motor 70, an indoor heat exchanger 40, a control unit 76, and the like inside the main body.
  • the turbo fan 68 is an example of the blower 41 shown in FIG. 1, and is a centrifugal blower with its rotation axis arranged in the vertical direction.
  • the turbo fan 68 sends the air sucked in through the grill 64 in a direction away from the rotation axis of the turbo fan 68 in the horizontal direction. That is, the turbo fan 68 guides air along the air passage formed by the grill 64, the main body suction port 66, the main body outlet 67, and the outlet 60.
  • the blower 41 a sirocco fan, a radial fan, or the like may be used instead.
  • the bell mouth 69 forms an air passage of the air guided to the inside by the turbo fan 68 and straightens the air.
  • the fan motor 70 rotationally drives the turbo fan 68.
  • the indoor heat exchanger 40 is, for example, a fin tube type, and is installed downstream of the turbo fan 68 in the air passage so as to surround the turbo fan 68.
  • An air outlet 60 is formed on each side of the decorative panel 63 along each side.
  • Each outlet 60 is provided with a vertical airflow direction control plate 71 that controls the angle of the air blown from the indoor unit 4 from the floor surface.
  • a left and right wind direction control plate that controls the direction of the wind blown from the indoor unit 4 toward the inside of the indoor unit 4 rather than the vertical wind direction control plate 71 in a direction parallel to the floor surface.
  • 72 are provided.
  • the indoor unit 4 has a vertical wind direction control motor 73 (see FIG. 6) that drives the vertical wind direction control plate 71, and a horizontal wind direction control motor 74 (see FIG. 6) that drives the horizontal wind direction control plate 72.
  • the control unit 76 includes the components of the outdoor unit 3 such as the compressor 30 and the outdoor blower 33 described above, and the components of the indoor unit 4 such as the fan motor 70, the vertical wind direction control motor 73, and the left and right wind direction control motor 74 described above.
  • the air conditioning operation of the air conditioner 1 is controlled by controlling the. Further, the control unit 76 controls the radiation temperature sensor 61 described in detail below.
  • the control unit 76 includes a processor such as a CPU (Central Processing Unit) or MPU (Micro Processing Unit), and a memory such as ROM (Read Only Memory) or RAM (Random Access memory).
  • the control operation by the control unit 76 is executed by the processor reading and executing various programs stored in the memory.
  • the control unit 76 may entirely or partially be dedicated hardware for controlling the configuration to be controlled. Details of the control unit 76 will be described later.
  • the radiation temperature sensor 61 includes an infrared sensor that detects infrared rays, and is rotated by a motor (not shown) to scan a space to be air-conditioned (also referred to as an air-conditioned space). Then, the radiation temperature sensor 61 detects the temperature distribution in the area to be scanned by the infrared rays emitted in the area. When a person is present in the area to be scanned by the radiation temperature sensor 61, the radiation temperature sensor 61 detects the presence and the position of the person by the infrared rays emitted from the body of the person. In this manner, the region where the presence of a person is detected is also referred to as a detection target region ⁇ .
  • the area scanned by the radiation temperature sensor 61 is an example of the detection target area ⁇ .
  • information indicating the temperature distribution in the detection target region ⁇ detected by the radiation temperature sensor 61, the presence/absence of a person, and the position where a person is present is also referred to as detailed information.
  • FIG. 4 is a diagram illustrating a detection target of the radiation temperature sensor according to the embodiment of the present invention.
  • the detection target area ⁇ of the radiation temperature sensor 61 is a hatched area. If a person is present in the detection target area ⁇ , the radiation temperature sensor 61 detects its presence and position. In FIG. 4, the radiation temperature sensor 61 detects the presence and position of the person A existing in the detection target area ⁇ , and does not detect the person B who does not exist in the detection target area ⁇ .
  • FIG. 5 is a diagram exemplifying a detection target area on a horizontal plane of the radiation temperature sensor.
  • the horizontal plane here means the floor surface or a plane parallel to the floor surface.
  • the detection target region ⁇ on the horizontal plane is a circle having a constant radius centered on the installation position of the indoor unit 4 on the ceiling and the inside thereof.
  • the radiation temperature sensor 61 may detect two-dimensional coordinates in a horizontal plane or three-dimensional coordinates in space when detecting each position of these persons.
  • the two-dimensional coordinates are coordinates in a polar coordinate system having the center of the circle formed by the detection target region ⁇ as the origin, even if the coordinates are in a two-dimensional orthogonal system including two orthogonal axes in the horizontal plane.
  • the three-dimensional coordinates may be coordinates in a three-dimensional orthogonal system including two orthogonal axes in the horizontal plane and an axis orthogonal to these axes and parallel to the height direction from the floor. ..
  • the radiation temperature sensor 61 may detect in which area of the detection target area ⁇ the person is present.
  • the radiation temperature sensor 61 divides the detection target region ⁇ at a constant angle in the azimuth direction in a polar coordinate system whose origin is the center of a circle formed by the detection target region ⁇ on the horizontal plane. It is detected in which small area ⁇ of a plurality of possible small areas ⁇ that a person exists. In FIG. 5, person C, person D, and person E exist in each of the three hatched small areas ⁇ .
  • the air conditioning apparatus 1 executes the air conditioning operation according to each position of these persons.
  • the radiation temperature sensor 61 is an example of a sensor for detecting the presence and position of a person, and as such a sensor, an image sensor such as CCD (Charge Coupled Device) or CMOS (Complementary MOS) is used. Previous cameras may be used.
  • CCD Charge Coupled Device
  • CMOS Complementary MOS
  • the conventional radiation temperature sensor operates to detect the presence of a person, the position of the person, the temperature distribution, and the like even when the person does not exist in the detection target area ⁇ .
  • power is wasted, and the radiation temperature sensor 61 is likely to deteriorate.
  • the comfort of the person in the air-conditioned space may be impaired.
  • the air conditioning apparatus 1 according to the embodiment of the present invention includes the following configurations in order to achieve both long life of the radiation temperature sensor 61 and comfort of a person existing in the air-conditioned space.
  • FIG. 6 is a block diagram of the indoor unit according to the embodiment of the present invention.
  • the indoor unit 4 includes the radiation temperature sensor 61, the turbo fan 68, the fan motor 70, the vertical wind direction control plate 71, the horizontal wind direction control plate 72, the vertical wind direction control motor 73, and the horizontal wind direction control motor 74. , And a control unit 76 and the like.
  • the indoor unit 4 in the embodiment of the present invention further includes a communication unit 75 that performs wireless communication with the mobile terminal 5 (see FIGS. 4 and 5).
  • the mobile terminal 5 is, for example, a smartphone, a mobile phone, a tablet terminal, or the like.
  • the communication unit 75 includes a communication interface and a radio wave intensity measuring device.
  • the communication unit 75 performs short-range wireless communication with the mobile terminal 5 in compliance with a wireless PAN (Personal Area Network) standard such as Bluetooth (registered trademark) or ZigBee (registered trademark).
  • a wireless PAN Personal Area Network
  • the communication unit 75 may perform wireless communication with the mobile terminal 5 in accordance with a wireless LAN (Local Area Network) standard such as Wi-Fi (registered trademark).
  • the communication unit 75 measures the radio field intensity of the radio signal and notifies the control unit 76 of the measured radio field intensity.
  • the radio field intensity of the wireless signal decreases as the distance between the transmission source of the wireless signal and the communication unit 75 increases.
  • the control unit 76 controls the radiation temperature sensor 61 to operate or stop the radiation temperature sensor 61 according to a certain condition. Here, it is assumed that the "stop" state includes the "standby” state.
  • the control unit 76 determines whether or not a person exists in the detection target area ⁇ , based on the radio field intensity of the wireless signal received from the mobile terminal 5.
  • the control unit 76 controls the radiation temperature sensor 61 based on the determination. It should be noted that the radiation temperature sensor 61 is in a stopped state at the start of energization of the air conditioner 1.
  • the control unit 76 determines whether the radio field intensity of the wireless signal received by the communication unit 75 is equal to or higher than a predetermined radio field intensity.
  • the predetermined radio wave intensity is the intensity that serves as a boundary indicating whether or not a person is present in the detection target area ⁇ , and its value is appropriately determined.
  • the predetermined radio field intensity has, for example, a mobile terminal held by a person present in the detection target area ⁇ . It may be the lowest radio field strength of the radio field strengths of the radio signals received from S.
  • the radio field intensity of the wireless signal from the portable terminal 5 held by the person A is equal to or higher than the predetermined radio field intensity.
  • the radio wave intensity of the radio signal from the mobile terminal 5 held by the person B is less than the predetermined radio wave intensity.
  • the control unit 76 starts the operation of the radiation temperature sensor 61 in the stopped state when the radio field intensity of the received wireless signal is equal to or higher than the predetermined radio field intensity. It should be noted that the control unit 76 does not cause the radiation temperature sensor 61 to start its operation when it does not receive a radio signal having a radio field intensity equal to or higher than a predetermined radio field intensity and the radiation temperature sensor 61 is in a stopped state. ..
  • the radiation temperature sensor 61 which has started its operation in response to an instruction from the control unit 76, detects the presence of a person and its position.
  • the control unit 76 acquires detailed information from the radiation temperature sensor 61.
  • the detailed information is acquired by the control unit 76 every time the radiation temperature sensor 61 detects the detailed information, and the detailed information is output from the radiation temperature sensor 61 to the control unit 76. It is done by However, the acquisition of the detailed information by the control unit 76 is not limited to this, and may be performed by periodically outputting the detailed information from the radiation temperature sensor 61. Alternatively, the control unit 76 may cause the radiation temperature sensor to output the detailed information. This may be performed by instructing 61 to output detailed information.
  • the control unit 76 controls the air conditioning operation of the air conditioner 1 based on the detailed information.
  • the control unit 76 in the present embodiment controls the vertical wind direction control motor 73 and the horizontal wind direction control motor 74 based on the detailed information, adjusts each direction of the vertical wind direction control plate 71 and the horizontal wind direction control plate 72, and blows. The direction of the wind blown from the outlet 60 is controlled.
  • the wind direction control will be specifically described with reference to FIG.
  • a person C, a person D, and a person E are present in the hatched small area ⁇ in the detection target area ⁇ shown in FIG. 5, and each of them has a mobile terminal 5. Therefore, the communication unit 75 receives a radio signal having a radio field intensity equal to or higher than a predetermined radio field intensity. As a result, the radiation temperature sensor 61 is in the operating state and detects the presence of a person in the hatched small area ⁇ .
  • the control unit 76 acquires, from the radiation temperature sensor 61, detailed information including information indicating the presence of a person (person C, person D, person E) and information indicating a small area ⁇ in which the person exists.
  • the control unit 76 controls the three small areas ⁇ in which a person exists so that air is blown depending on the situation.
  • the control unit 76 controls the three small areas ⁇ in which a person exists so that air is not blown depending on the situation.
  • the “situation” means a situation in which the temperature in the small region ⁇ is high or low, or an operating situation by the air conditioner 1.
  • Examples of the “operating condition” include a condition in which the air conditioner 1 is in heating operation or a condition in which it is in cooling operation. Further, as the “operating condition”, a condition in which the components of the air conditioner 1 such as the compressor 30, the outdoor heat exchanger 32, and the indoor heat exchanger 40 are operating, or at least one of them One situation is that one is not working.
  • the control unit 76 is, for example, a case where heat exchange is performed between the air and the refrigerant by the operation of the outdoor heat exchanger 32, the indoor heat exchanger 40, and the like, and a small area where a person exists.
  • control is performed so as to blow air to the small region ⁇ .
  • the vertical wind direction control motor 73 and the horizontal wind direction control motor 74 drive the vertical wind direction control plate 71 and the horizontal wind direction control plate 72, respectively, so that the wind is blown to the small area ⁇ in which a person exists.
  • the control unit 76 is, for example, when the heating operation is selected by the setting of the user and the air conditioning apparatus 1 is operating, and the outdoor heat exchanger 32, the indoor heat exchanger 40, or the like is not operating. For example, when heat exchange is not performed between the air and the refrigerant, it may be controlled so that the air is not sent to the small area ⁇ in which a person exists.
  • the vertical wind direction control motor 73 and the horizontal wind direction control motor 74 drive the vertical wind direction control plate 71 and the horizontal wind direction control plate 72, respectively, so that the wind is not blown to the small area ⁇ in which a person exists.
  • the control unit 76 may adjust the strength of the air blown from the air outlet 60 by controlling the rotation speed of the fan motor 70 and the rotation speed of the turbofan 68 based on the detailed information.
  • the control unit 76 may also perform control for temperature adjustment using at least one of the radio signal received by the communication unit 75 and the detailed information detected by the radiation temperature sensor 61.
  • the control will be described below.
  • the control unit 76 uses the unique address of the mobile terminal 5 such as the IP address (Internet Protocol Address) or the MAC address (Media Access Control Address) included in the wireless signal received by the communication unit 75 to detect the detection target area ⁇ . You can guess the number of people inside. Specifically, the control unit 76 determines the number of persons in the detection target area ⁇ depending on how many wireless signals having a predetermined radio field intensity or more and including different addresses are received by the communication unit 75. You can guess.
  • the address is an example of an identifier included in the wireless signal and uniquely determined for each mobile terminal 5 that is the transmission source.
  • the control unit 76 can also estimate the number of people in the detection target area ⁇ based on the detailed information detected by the radiation temperature sensor 61.
  • the control unit 76 may adopt either one. However, the average of the two estimation results may be used as the number of persons in the detection target region ⁇ .
  • the control unit 76 controls the room temperature based on the estimated number of people. For example, when the number of people in the detection target area ⁇ is equal to or more than the predetermined number of people, the control unit 76 controls the fan motor 70 or the compressor 30 so that the temperature in the room becomes lower than that in the other case. You may control. Alternatively, when the number of people in the detection target area ⁇ is less than a predetermined number of people, the control unit 76 controls the fan motor 70 or the compressor 30 or the like so that the temperature in the room becomes higher than in the case where the number is not. You may control. The above-mentioned control is for increasing the comfort because the indoor temperature rises due to the body temperature of the person.
  • FIG. 7 is a diagram exemplifying control processing by the control unit in the embodiment of the present invention.
  • the air conditioner 1 that has been energized shifts to the standby state in step S1.
  • the radiation temperature sensor 61 is in a standby state and is not operating.
  • the communication unit 75 is always in a state capable of receiving a wireless signal in the energized state.
  • step S2 If the communication unit 75 does not receive the radio signal having the radio field intensity equal to or higher than the predetermined radio field intensity in step S2 (step S2: No), the air conditioning apparatus 1 remains in the standby state in step S1.
  • the control unit 76 causes the radiation temperature sensor 61 to operate (detect) in step S3. (Also referred to as processing). At this time, the control unit 76 sets the counter value stored in itself to 0. This counter value is used in the process in step S8 described later.
  • step S4 the control unit 76 determines whether the radiation temperature sensor 61 has detected the presence of a person in the detection target area ⁇ .
  • step S4: No the process proceeds to step S6 described later.
  • the transition from step S4 to step S6 may be performed after the detection process by the radiation temperature sensor 61 is performed for a certain period of time.
  • step S4 When the radiation temperature sensor 61 detects the presence of a person or the like in step S4 (step S4: Yes), the control unit 76 in step S5, based on the detailed information from the radiation temperature sensor 61, the vertical wind direction control motor 73. And the left and right wind direction control motor 74 are controlled. By this control, the respective directions of the up-down air direction control plate 71 and the left-right air direction control plate 72 are adjusted so that the air is blown to the small area ⁇ in which a person exists, or the air is not blown, and the air outlets are adjusted. The direction of the wind from 60 is adjusted (step S5).
  • the air conditioner 1 performs an air conditioning operation while adjusting the wind direction or after adjusting the wind direction.
  • control unit 76 determines the number of persons in the detection target area ⁇ that can be estimated using the address of the wireless signal received by the communication unit 75, and the number of persons in the detection target area ⁇ that can be estimated from the detailed information by the radiation temperature sensor 61.
  • control of air conditioning operation also referred to as air conditioning control
  • air conditioning control may be performed based on the average of these.
  • step S6 the control unit 76 causes the communication unit 75 to generate a radio wave intensity equal to or higher than a predetermined radio wave intensity during a constant time t1 (also referred to as a first constant time t1) during execution of the air conditioning control or the detection process. It is determined whether or not the wireless signal has been received.
  • step S6: Yes the process of the air conditioning apparatus 1 proceeds to step S5.
  • the control unit 76 may update the counter value to 0.
  • the radiation temperature sensor 61 may re-detect the position of the person in step S5, which is a transition from step S6.
  • step S6 when the communication section 75 does not receive any radio signal having a radio field intensity equal to or higher than the predetermined radio field intensity within the constant time t1 (step S6: No), the control section 76 causes the counter value to be counted. Is incremented by 1, and the process of the air conditioner 1 proceeds to step S7.
  • step S7 the control unit 76 determines whether or not the radiation temperature sensor 61 detects the presence of a person during a constant time t2 (also referred to as a second constant time t2) during the execution of the air conditioning control or the detection process. To judge.
  • the process of the air conditioning apparatus 1 returns to step S5.
  • the control unit 76 may update the counter value to 0.
  • the radiation temperature sensor 61 may detect the position of the person again in step S5, which is a transition from step S7.
  • the fixed time t1 and the fixed time t2 are respectively set in advance.
  • step S7 When the radiation temperature sensor 61 does not detect the presence of a person for a certain time t2 in step S7 (step S7: No), the control unit 76 adds 1 to the counter value, and the air conditioner is operated. The process of 1 moves to step S8.
  • step S8 the control unit 76 determines whether the counter value is equal to or greater than a predetermined value.
  • the predetermined value is a natural number of 2 or more, and is 2, for example.
  • the process of the air conditioning apparatus 1 returns to step S5.
  • the radiation temperature sensor 61 may detect the position of the person again in step S5, which is a transition from step S8.
  • step S8: Yes the air conditioning apparatus 1 is controlled by the control unit 76 to enter the standby state in step S1, that is, the stopped state of the air conditioning operation. Transition.
  • the radiation temperature sensor 61 stops operating.
  • the control unit 76 controls the radiation temperature in the stopped state.
  • the operation of the sensor 61 is started.
  • the control unit 76 controls the air conditioning operation of the air conditioner 1 based on the detailed information detected by the radiation temperature sensor 61.
  • the lowest radio wave intensity of the radio field intensity of the radio signal received from the mobile terminal 5 held by the person existing in the detection target area ⁇ is predetermined. It is the radio wave intensity that was obtained. Therefore, the reception of the radio signal of the radio field intensity indicating that a person exists in the detection target area ⁇ can be used as a trigger for starting the operation of the radiation temperature sensor 61, and the comfort of the person in the detection target area ⁇ can be improved. Wear of the radiation temperature sensor 61 can be suppressed without impairing the radiation temperature sensor 61.
  • the control unit 76 causes the air conditioning apparatus 1 to continue the air conditioning operation without stopping the radiation temperature sensor 61, and performs the air conditioning control based on the detailed information. This makes it possible to maintain the comfort of the person in the detection target area ⁇ .
  • the air conditioning apparatus 1 of the embodiment of the present invention during the air conditioning control or the detection process, during the first constant time t1, even a radio signal having a radio field intensity equal to or higher than a predetermined radio field intensity is generated.
  • the sum of the value indicating the number of times of non-reception and the value indicating the number of times of not detecting the presence of a person in the detection target area ⁇ during the second constant time t2 is predetermined.
  • the control unit 76 stops the processing of the radiation temperature sensor 61.
  • the control unit 76 can accurately determine the absence of a person without overlooking the presence of the person in the detection target region ⁇ . You can Further, when the absence of a person can be surely confirmed, the control unit 76 stops the radiation temperature sensor 61 and stops the air conditioning operation, so that useless operation of the radiation temperature sensor 61 is suppressed, and the radiation temperature sensor is suppressed. The wear of 61 can be suppressed, and useless power consumption for air conditioning operation can be suppressed.
  • the air conditioner 1 of the embodiment of the present invention since the detailed information includes the information indicating the position of the person existing in the detection target area ⁇ , it is possible to perform the air conditioning control according to the position of the person. , Improve comfort.
  • the air conditioner 1 of the embodiment of the present invention since the detailed information includes information indicating the temperature distribution in the detection target area ⁇ , it is possible to perform air conditioning control according to each place in the detection target area ⁇ . Yes, you can improve your comfort.
  • the position and temperature of the person in the air-conditioned space are adjusted by adjusting the vertical airflow direction control plate 71 and the horizontal airflow direction control plate 72 based on the detailed information.
  • a wind flow according to at least one of the distributions can be generated, and comfort is improved.
  • the control unit 76 controls the vertical airflow direction control plate 71 and the horizontal airflow direction control plate 72 that reflect not only the detailed information but also the operating condition of the air conditioning apparatus 1. Make each adjustment. As a result, it is possible to perform the air conditioning operation that does not impair the comfort according to the states of the components inside the air conditioning apparatus 1.
  • the control unit 76 detects the detection target derived based on the one or more identification information (address) included in the one or more wireless signals received by the communication unit 75.
  • Air-conditioning control is performed using information about at least one of the number of people in the area ⁇ and the number of people in the detection target area ⁇ , which is derived based on the detailed information. Therefore, temperature control according to the number of persons in the air-conditioned space is possible, and comfort is improved.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Fuzzy Systems (AREA)
  • Mathematical Physics (AREA)
  • Human Computer Interaction (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

La présente invention concerne un dispositif de climatisation (1) comprenant : un moyen de communication pour recevoir un signal sans fil provenant d'un terminal portable (5) ; un capteur pour détecter des informations détaillées comprenant des informations qui indiquent la présence d'une personne dans une zone cible de détection (α) dans laquelle la présence d'une personne est à détecter ; et un moyen de commande pour amener le capteur à démarrer un processus de détection des informations détaillées et effectuer la commande d'une opération de climatisation sur la base des informations détaillées détectées par le capteur lorsque le moyen de communication a reçu un signal sans fil ayant une intensité d'onde radio d'au moins une intensité d'onde radio prédéterminée et lorsque le capteur arrête le processus de détection des informations détaillées.
PCT/JP2019/005755 2019-02-18 2019-02-18 Dispositif de climatisation WO2020170289A1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
AU2019430531A AU2019430531B2 (en) 2019-02-18 2019-02-18 Air-conditioning apparatus
PCT/JP2019/005755 WO2020170289A1 (fr) 2019-02-18 2019-02-18 Dispositif de climatisation
CN201980092067.3A CN113454403B (zh) 2019-02-18 2019-02-18 空调装置
US17/297,062 US12007136B2 (en) 2019-02-18 2019-02-18 Air-conditioning apparatus
DE112019006880.6T DE112019006880T5 (de) 2019-02-18 2019-02-18 Klimaanlage
JP2021501152A JP7008866B2 (ja) 2019-02-18 2019-02-18 空気調和装置

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Application Number Priority Date Filing Date Title
PCT/JP2019/005755 WO2020170289A1 (fr) 2019-02-18 2019-02-18 Dispositif de climatisation

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US (1) US12007136B2 (fr)
JP (1) JP7008866B2 (fr)
CN (1) CN113454403B (fr)
AU (1) AU2019430531B2 (fr)
DE (1) DE112019006880T5 (fr)
WO (1) WO2020170289A1 (fr)

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JP7008866B2 (ja) 2022-02-10
CN113454403A (zh) 2021-09-28
JPWO2020170289A1 (ja) 2021-09-13
AU2019430531A1 (en) 2021-06-17
US12007136B2 (en) 2024-06-11
CN113454403B (zh) 2022-10-28
DE112019006880T5 (de) 2021-11-11
AU2019430531B2 (en) 2022-08-18

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